"IFNA2" Related Products

Recombinant Human Interferon, Alpha 2

Cat. No. : IFNA2-59H
Product Overview : Recombinant human intefferon α2a (rhIFNα2a) produced inSaccharomyces cerevisiaeis a non-glycosylated polypeptide chain containing 165 amino acids and having a molecular mass of 19.2kDa. It is manufactured through Chromatography in the GMP facilities.
Description : At least 23 different variants of Interferon-alpha are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-alpha subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-alpha subtypes differ in their sequences at only one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxyl-terminal end.
Source : S.cerevisiae.
Amino Acid Sequence : The sequence of the first fifteen N-terminal amino acid residues was determined and was found to be Cys-Asp-Leu-Pro-Gln-Thr-His-Ser-Leu-Gly-Ser-Arg-Arg-Thr-Leu.
Physical Appearance : Sterile Filtered White lyophilized (freeze-dried) powder,or Sterile filtered liquid accoriding to the client's demands.
Purity : Greater than 97.0% as determined by: (a) Analysis by SEC-HPLC. (b) Analysis by SDS-PAGE.
Formulation : Lyophilized or liquid containing Sodium phosphate dibasic, sodium phosphate monobasic and HSA, pH7.0±0.5.
Solubility : It is recommended to reconstitute the lyophilized rhIFN-α2a in water for injection not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Protein Content : Before adding the carrier HSA protein, rhIFN-α2a Protein quantitation was carried out by Lowry method. rhIFN-α2a protein concentration is usually between 1.5 ~2.0mg/mL according to the client's demands.
Endotoxin : Less than 1.0 EU/mg of rh-IFN-α 2a concentrated solution (LAL test).
Biological Activity : The specific activity, determined by the dose-dependent proliferation of WISH (heteroploid human amnion cell line) in presence of VSV ( vesicular stomatitis virus), was found to be no less than 1.8 × 108 IU/ mL.
Residual Extraneous DNA : Dot blot hybridization method with DIG-labeled DNA probe, it shall be not more than 10ng/0.1mg protein.
Residual Host Bacterial Proteins : ELISA method is used; the residual host bacterial proteins shall be not more than 0.050 % of total proteins.
Stability : Lyophilized rhIFN-α2a although stable at 30°C for 6 months, should be stored desiccated below 4°C no more than 3 years. Upon reconstitution it should be stored at 4°C between 3-4 days and for future use below -18°C or more low. Please avoid freeze-thaw cycles.
Gene Name : IFNA2 interferon, alpha 2 [ Homo sapiens ]
Synonyms : IFNA2; Interferon, Alpha 2; IFNA; INFA2; MGC125764; MGC125765; Interferon alpha A; Alpha-2a interferon; Interferon alpha 2b; OTTHUMP00000021143; Interferon alpha-A; LeIF A; Interferon, alpha-2
Gene ID : 3440
mRNA Refseq : NM_000605
Protein Refseq : NP_000596
MIM : 147562
UniProt ID : P01563
Chromosome Location : 9p22
Pathway : Antigen processing and presentation; Cytokine-cytokine receptor interaction; Jak-STAT signaling pathway; Natural killer cell mediated cytotoxicity; Regulation of autophagy;Toll-like receptor signaling pathway
Function : interferon-alpha/beta receptor binding

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